Millions of users rely on Microsoft Teams to collaborate with team members, join video conferences, and more.
Thats whysign in error caa2000bis a really dreaded error code.
It indicates Microsoft Teams could not sign you in.
kickstart your modem and reset your Internet options
Next, ensure your Internet connection is working properly.
press your profile picture and selectCheck for updates.
Then kickstart your rig and take a stab at sign on again.
If the Microsoft Teams cache becomes corrupted, this will block the authentication certificates.
As a result, you wont be able to sign on.
If nothing worked and youre using your companys web link, contact your IT admin.
Ask them to have a look at this matter.
Let them know what troubleshooting methods you tried so far.
